# About

This API provides access to several CDQ API endpoints according to the SAP
Data Quality Management (DQM) model. Requests and responses are mapped from the CDQ
data model to DQM in order to simplify service access from SAP systems.

### Tutorials & Instructions

To get more information on how to use CDQ APIs check available [Tutorials](/documentation/tutorials/tutorials-landing-page) & [Instruction](/documentation/instructions/instructions-landing-page).

### Authorization

Before trying CDQ APIs, user must be authenticated:

1. Paste the API Key in the console's security bar into the `X-API-KEY` field.


![](/assets/auth7.0d4fb05fa55bc16d828c76e9976f979930ffadb949cfc149a6617cc6518ab57d.6fde6558.png)

1. After pasting the API Key, the green padlock will appear.


![](/assets/auth8.28e02515b78db57ec32c07fd6bd7d296484e64f65ef6a3bc5296520cb1da8d65.6fde6558.png)

Be careful
Green padlock doesn't mean that the API Key was pasted correctly.

1. Check your API key for missing characters or extra space before trying.


#### No API Key?

1. Check how to get one on [authentication page](/documentation/instructions/authentication).
2. Follow the steps above.


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